#!/bin/bash

# 创建目录
mkdir -p main_folder/sub_folder_1/sub_sub_folder_1 main_folder/sub_folder_2

# 创建文件
touch main_folder/sub_folder_1/file_1.txt
touch main_folder/sub_folder_1/sub_sub_folder_1/file_2.txt
touch main_folder/sub_folder_2/file_3.txt
touch main_folder/file_4.txt

# 打印目录结构
echo "目录结构创建完成："
tree main_folder